Friday 22 December 2017

Also at Rest Bay

I had a quick poke about at Rest Bay, Porthcawl last Saturday, while I was down there with the family enjoying the empty beach. As well as the Bryum in the previous post, species noted in tetrad SS87E included Dialytrichia mucronata and Didymodon sinuosus on tarmac in the car park and Campylopus introflexus, Ceratodon purpureus and Brachythecium albicans in some sandy grassland which presumably had a degree of acidity to it. This tetrad had only one previous bryophyte record so it was good to put a few dots on the map.

The limestone outcrops on nearby Lock's Common fall within a different tetrad (SS87D). These held a reasonable diversity of species including Rhynchostegium megapolitanum and a single rosette of Riccia sorocarpa. On thin soil nearby were some good fruiting patches of one of the Pottiales. I thought these might be Tortula viridifolia at first, on account of the longly excurrent costa, but I don't think the leaf apex is rounded enough so they are probably T. modica (leaf margins are recurved).
As with much of the East Glamorgan coastline, this area would be well worth a more detailed inspection.

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